25. Explain all the steps involved in formation of NaBr(s) from Na(s) and Br2(l) (
ii) Define lattice enthalpy and arrange the following in increasing order of lattice enthalpy.
(a) LiCl, CsCl, NaCl, KCI, RbCl
(b) AlF3, NaF, MgF2
(c) NaCl, MgO, MgCl2 and LiCl
i)Bonding molecular orbital has less energy and more stability compared to non bonding orbital. ii)a )bond order=(10-6)/2=2 b)Paramagnetic nature due to the ptesence two singly occupied molecular orbitals i